2231012512 has 24 divisors (see below), whose sum is σ = 4583277216. Its totient is φ = 1067005632.

The previous prime is 2231012479. The next prime is 2231012551. The reversal of 2231012512 is 2152101322.

It is a super-3 number, since 3×2231012512³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231012512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514898 + ... + 1516369.

It is an arithmetic number, because the mean of its divisors is an integer number (190969884).

Almost surely, 2^2231012512 is an apocalyptic number.

It is an amenable number.

2231012512 is an abundant number, since it is smaller than the sum of its proper divisors (2352264704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231012512 is a wasteful number, since it uses less digits than its factorization.

2231012512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031300 (or 3031292 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2231012512 is about 47233.5951627652. The cubic root of 2231012512 is about 1306.6742576726.

Adding to 2231012512 its reverse (2152101322), we get a palindrome (4383113834).

The spelling of 2231012512 in words is "two billion, two hundred thirty-one million, twelve thousand, five hundred twelve".